Sunday, June 16, 2024

Scientific Censorship Motivated by Prosocial Concerns – Watts Up With That?

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An article published last November from the Proceedings of the National Academy of Sciences (PNAS) titled “Prosocial Motives Underlie Scientific Censorship by Scientists: A Perspective and Research Agenda” exposes a profound issue within the scientific community—censorship driven by ideological motives under the guise of prosocial concerns. This phenomenon has far-reaching implications, suggesting that academia and scientific institutions may be increasingly influenced by leftist or Marxist ideologies, leading to a skewed representation of scientific knowledge that aligns with regime-approved narratives.

Overview of Scientific Censorship

Scientific censorship, as defined by the authors, involves actions aimed at obstructing particular scientific ideas from reaching an audience for reasons other than low scientific quality. Historically, censorship has been associated with authoritarian regimes and dogmatic institutions. However, this paper posits that contemporary censorship is often propagated by scientists themselves, motivated by self-protection, benevolence towards peers, and concerns for societal well-being.

“Science is among humanity’s greatest achievements, yet scientific censorship is rarely studied empirically. We explore the social, psychological, and institutional causes and consequences of scientific censorship (defined as actions aimed at obstructing particular scientific ideas from reaching an audience for reasons other than low scientific quality)”

The article further challenges popular narratives, stating,

“Popular narratives suggest that scientific censorship is driven by authoritarian officials with dark motives, such as dogmatism and intolerance. Our analysis suggests that scientific censorship is often driven by scientists, who are primarily motivated by self-protection, benevolence toward peer scholars, and prosocial concerns for the well-being of human social groups”.

The Role of Ideological Bias

One of the critical points raised in the article is the role of ideological bias in scientific censorship. The authors highlight that most modern academics lean politically left, which predisposes them to censor right-leaning perspectives. This ideological homogeneity creates an environment where certain viewpoints, particularly those challenging prevailing leftist ideologies, are systematically suppressed.

The paper notes,

“Most modern academics are politically left-leaning, and so certain right-leaning perspectives are likely targets for censorship”

This bias not only stifles scientific debate but also distorts the scientific record, leading to a false consensus on various issues.

Historical Context and Modern Parallels

The paper draws parallels between historical instances of censorship and modern practices. It references the persecution of Galileo by Aristotelian professors, who used the Church’s authority to punish him for his heliocentric views. Similarly, today’s academics often leverage institutional power to suppress dissenting voices, whether through formal rejections or more subtle forms of social punishment.

“Although the Church ultimately sentenced Galileo, his persecution was driven primarily by Aristotelian professors who appealed to the Church’s authority to punish him. In the sixteenth to eighteenth centuries, state censors (often academics themselves) revised and rejected manuscripts in a system similar to peer review”.

The authors provide a taxonomy of censorship, distinguishing between “hard” censorship (exercised by authorities like governments and universities) and “soft” censorship (social punishments like ostracism and reputational damage). Both forms are prevalent in modern academia, often justified under the pretext of protecting vulnerable groups or preventing harm.

“Hard censorship occurs when people exercise power to prevent idea dissemination. Governments and religious institutions have long censored science. However, journals, professional organizations, universities, and publishers—many governed by academics—also censor research, either by preventing dissemination or retracting postpublication. Soft censorship employs social punishments or threats of them (e.g., ostracism, public shaming, double standards in hirings, firings, publishing, retractions, and funding) to prevent dissemination of research”.

The Consequences of Censorship

The article warns of the significant consequences of scientific censorship. When certain ideas are systematically suppressed, the published literature becomes biased, leading to a distorted understanding of reality. This, in turn, affects policy-making and societal norms, as decisions are based on incomplete or skewed information.

“Systematic censorship, and thus systematic misunderstandings, could emerge if a majority of scientists share particular preferences or prejudices that influence their scientific evaluations”.

The authors illustrate this with a hypothetical scenario:

“The potential epistemic consequence of scientific censorship. Green stars are evidence that X is true. Red stars are evidence that X is not true. Assume that each piece of evidence is equally weighty. Censorship that obstructs evidence against X will produce a peer-reviewed literature that concludes that X is true when most likely it is not”.

Recommendations for Transparency and Accountability

To address these issues, the authors call for greater transparency and accountability in scientific decision-making. They suggest empirical studies to examine the costs and benefits of censorship and advocate for clear, transparent criteria for evaluating research. This would help mitigate the influence of individual biases and ensure that scientific discourse remains open and robust.

“We discuss unknowns surrounding the consequences of censorship and provide recommendations for improving transparency and accountability in scientific decision-making to enable the exploration of these unknowns”

Ideological Capture and Its Implications

The ideological capture of academia and scientific institutions is not a new phenomenon, but its implications are becoming increasingly apparent. When scientific discourse is dominated by a particular ideology, it undermines the fundamental principles of science—objectivity, critical inquiry, and evidence-based reasoning.

The alignment of academic institutions with leftist or Marxist ideologies exacerbates this problem. These ideologies often prioritize social and political goals over objective truth, leading to the suppression of research that contradicts their narratives. As the article notes,

“Science exists in tension with other institutions, occasionally provoking hostility and censorship”.

This ideological capture is evident in various fields, in particular climate science, where dissenting views on issues like climate change and policy responses are almost always marginalized. The result is a monolithic perspective that discourages genuine scientific debate and innovation.


The PNAS article sheds light on a critical issue within the scientific community—censorship driven by prosocial motives and ideological bias. This phenomenon threatens the integrity of scientific research and undermines public trust in scientific institutions. To preserve the credibility and objectivity of science, it is essential to recognize and address the ideological influences that drive censorship and to promote a more open and balanced scientific discourse.

By fostering transparency, accountability, and ideological diversity, we can ensure that science remains a true reflection of reality, rather than a tool for advancing specific political agendas. Only then can we uphold the fundamental principle that evidence, not ideology, should guide our understanding of the world.

Read the full paper here.

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